Answer: Unfortunately, based on the description in your question, it is impossible to give a positive identification of your baby insects. However, you are wise to want to know exactly what they are before you get out the spray or even worry too much. Here are two suggestions. One is to try researching them in a good reference book with photographs of insects and descriptions of them in various life stages such as Rodales's Color Handbook of Garden Insects by A. Carr (ISBN 0-87857-460-3); another is to take a sample to your local County Extension office and see if they can give you a positive identification.
Q&A Library Searching Tips